489814123 has 2 divisors, whose sum is σ = 489814124. Its totient is φ = 489814122.

The previous prime is 489814099. The next prime is 489814151. The reversal of 489814123 is 321418984.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489814123 is a prime.

It is not a weakly prime, because it can be changed into another prime (489814223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244907061 + 244907062.

It is an arithmetic number, because the mean of its divisors is an integer number (244907062).

Almost surely, 2^489814123 is an apocalyptic number.

489814123 is a deficient number, since it is larger than the sum of its proper divisors (1).

489814123 is an equidigital number, since it uses as much as digits as its factorization.

489814123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 489814123 is about 22131.7446894726. The cubic root of 489814123 is about 788.2738162849.

The spelling of 489814123 in words is "four hundred eighty-nine million, eight hundred fourteen thousand, one hundred twenty-three".